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30833012 = 2271101179
BaseRepresentation
bin111010110011…
…1100101110100
32011000110221102
41311213211310
530343124022
63020505232
7523035110
oct165474564
964013842
1030833012
111644a331
12a3ab218
1365071b2
144148740
152a90a92
hex1d67974

30833012 has 12 divisors (see below), whose sum is σ = 61666080. Its totient is φ = 13214136.

The previous prime is 30832993. The next prime is 30833027. The reversal of 30833012 is 21033803.

30833012 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550562 + ... + 550617.

It is an arithmetic number, because the mean of its divisors is an integer number (5138840).

Almost surely, 230833012 is an apocalyptic number.

It is an amenable number.

30833012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30833012 is a wasteful number, since it uses less digits than its factorization.

30833012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101190 (or 1101188 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30833012 is about 5552.7481484397. The cubic root of 30833012 is about 313.5729925418.

Adding to 30833012 its reverse (21033803), we get a palindrome (51866815).

The spelling of 30833012 in words is "thirty million, eight hundred thirty-three thousand, twelve".

Divisors: 1 2 4 7 14 28 1101179 2202358 4404716 7708253 15416506 30833012